Marco Silva believed his side’s attacking approach early in the game paid dividends after Dominic Calvert-Lewin scored twice in four minutes to guide the Premier League side into the fourth round of the Carabao Cup and ease the pressure on the Everton manager.After defeat by Sheffield United on Saturday left them 14th in the Premier League and Silva in the spotlight, it was the turn of the boyhood Blades fan Calvert-Lewin to take centre stage at Hillsborough.